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Contract OI history

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Nov 20, 2026 EXPIRATION

SMCI $28.00 Put

SMCI261120P00028000

Latest saved OI2,294Oct 23, 2026
Last change+104vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $28.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2941,1470 2026-10-09: 1,620 OI2026-10-13: 1,679 OI2026-10-14: 1,679 OI2026-10-15: 1,703 OI2026-10-16: 2,075 OI2026-10-21: 2,190 OI2026-10-23: 2,294 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SMCI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,294+104
Oct 21, 20262,190+115
Oct 16, 20262,075+372
Oct 15, 20261,703+24
Oct 14, 20261,6790
Oct 13, 20261,679+59
Oct 09, 20261,620No prior observation